Watch Angela Turn on Tucker on Tonight's Episode of 'Big Brother 26' (Exclusive)

There are evidently only three constants in life: Death, taxes, and Angela Murray causing chaos on Big Brother 26 . The real estate agent went hard, to say the least, during her first HoH reign, making her one of the biggest house targets and pariahs. But, as the past couple weeks have gone along, Angela has been able to turn down the volume of her game, even finding herself in a majority alliance.

Her change in position is due at least in part to Tucker Des Lauriers . The similarly disorderly houseguest gave her a second lease on life when he stunningly saved her with the Veto in Week 3, despite being on the block himself. From that moment on, Angela was locked in with Tucker, ready to move with him to the end of the game no matter the cost. That is...until now.

Related: Everything to Know About Big Brother 26

The clip above shows a sneak peek of tonight's special two-hour episode of Big Brother 26 . In it, Angela watches over her closest ally in the backyard. Despite her loyalty, she has apparently been observing some things to give her doubts. Assumingly, the largest thing she's noticed is his relationship with Rubina Bernabe , which has grown into an outright showmance over the past couple of weeks.

"He's good," she comments in the Diary Room. "He's really, really good."

And so Angela's train of thought carries a familiar tune into her head: The Ballad of Paranoia. Compounded by the conditions, her mentality turns from having a champion in her corner to a competitor standing behind her back, knife at the ready. Therefore, it causes her to do what was previously untenable to her.

"I think," she pauses dramatically, "I have to do something unthinkable. I’m gonna rally to get Tucker out."

How hard will Angela gun for her number one ally, especially with him on the block? Will she be able to get people on her side? And, most interestingly, how will Tucker respond if and when he finds out that the person he saved a few weeks back now wants his head?

Check out the clip above to watch a preview of tonight's episode from CBS. A special two-hour episode of Big Brother 26 airs tonight at 8:00 p.m. ET/PT on CBS.

Next, check out everything happening this week on the Big Brother 26 live feeds (including the Veto winner) .